?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=+Lenti+Istv%C3%A1n&rft.aulast=Lenti&rft.aufirst=Istv%C3%A1n&rft.title=Az+%22energiaf%C5%B1z%22+(Salix+viminalis+L.)+termeszt%C3%A9se+Szabolcs-Szatm%C3%A1r-Bereg+megy%C3%A9ben&rft.date=2011&rft.isbn=978-963+85437+8+3&rft.genre=bookitem